The gantry plates have a mix of 5mm and 7.12mm holes, the larger being used for the eccentric adjuster for tensioning v-slot wheels. Sometimes you need to use these larger holes for mounting and want them to be 5mm.
Gantry Plate Reducer Bushing 2016-11-23
3D printable bushing to reduce 7.12mm hole to 5mm hole
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Peter Gamache and MaryD like this.